jquery selector speed

JavaScript performance comparison

Test case created by AlienWebguy

Preparation code

<div id="container">
    <ul>
        <li>1</li>
        <li class="target">2</li>
        <li>3</li>
    </ul>
</div><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 

Preparation code output

  • 1
  • 2
  • 3

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Testing in unknown unknown
Test Ops/sec
$('div#container ul li.target')
$('div#container ul li.target').css('border','1px solid red');
pending…
$('#container .target')
$('#container .target').css('border','1px solid red');
pending…
$('li.target')
$('li.target').css('border','1px solid red');
pending…
$('.target')
$('.target').css('border','1px solid red');
pending…

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